20879105624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{809}}^1$

素因数の和:1237

約数の個数: 128

約数和(自身を含む): 45763704000

約数和(自身を除く): 24884598376

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 247, 296, 353, 481, 494, 703, 706, 809, 962, 988, 1406, 1412, 1618, 1924, 1976, 2812, 2824, 3236, 3848, 4589, 5624, 6472, 6707, 9139, 9178, 10517, 13061, 13414, 15371, 18278, 18356, 21034, 26122, 26828, 29933, 30742, 36556, 36712, 42068, 52244, 53656, 59866, 61484, 73112, 84136, 87191, 104488, 119732, 122968, 169793, 174382, 199823, 239464, 248159, 285577, 339586, 348764, 389129, 399646, 496318, 568727, 571154, 679172, 697528, 778258, 799292, 992636, 1137454, 1142308, 1358344, 1556516, 1598584, 1985272, 2274908, 2284616, 3113032, 3226067, 3712501, 4549816, 5425963, 6452134, 7393451, 7425002, 10566349, 10851926, 12904268, 14786902, 14850004, 21132698, 21703852, 25808536, 29573804, 29700008, 42265396, 43407704, 59147608, 70537519, 84530792, 137362537, 141075038, 200760631, 274725074, 282150076, 401521262, 549450148, 564300152, 803042524, 1098900296, 1606085048, 2609888203, 5219776406, 10439552812, 20879105624]

約数ペア:

[(1, 20879105624), (2, 10439552812), (4, 5219776406), (8, 2609888203), (13, 1606085048), (19, 1098900296), (26, 803042524), (37, 564300152), (38, 549450148), (52, 401521262), (74, 282150076), (76, 274725074), (104, 200760631), (148, 141075038), (152, 137362537), (247, 84530792), (296, 70537519), (353, 59147608), (481, 43407704), (494, 42265396), (703, 29700008), (706, 29573804), (809, 25808536), (962, 21703852), (988, 21132698), (1406, 14850004), (1412, 14786902), (1618, 12904268), (1924, 10851926), (1976, 10566349), (2812, 7425002), (2824, 7393451), (3236, 6452134), (3848, 5425963), (4589, 4549816), (5624, 3712501), (6472, 3226067), (6707, 3113032), (9139, 2284616), (9178, 2274908), (10517, 1985272), (13061, 1598584), (13414, 1556516), (15371, 1358344), (18278, 1142308), (18356, 1137454), (21034, 992636), (26122, 799292), (26828, 778258), (29933, 697528), (30742, 679172), (36556, 571154), (36712, 568727), (42068, 496318), (52244, 399646), (53656, 389129), (59866, 348764), (61484, 339586), (73112, 285577), (84136, 248159), (87191, 239464), (104488, 199823), (119732, 174382), (122968, 169793)]