20981759916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1\times {\mathrm{1399}}^1$

素因数の和:2303

約数の個数: 96

約数和(自身を含む): 53246771200

約数和(自身を除く): 32265011284

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 757, 762, 1399, 1514, 1524, 1651, 2271, 2798, 3028, 3302, 4197, 4542, 4953, 5596, 6604, 8394, 9084, 9841, 9906, 16788, 18187, 19682, 19812, 29523, 36374, 39364, 54561, 59046, 72748, 96139, 109122, 118092, 177673, 192278, 218244, 288417, 355346, 384556, 533019, 576834, 710692, 1059043, 1066038, 1153668, 1249807, 2118086, 2132076, 2309749, 2499614, 3177129, 3749421, 4236172, 4619498, 4999228, 6354258, 6929247, 7498842, 9238996, 12708516, 13767559, 13858494, 14997684, 27535118, 27716988, 41302677, 55070236, 82605354, 134498461, 165210708, 268996922, 403495383, 537993844, 806990766, 1613981532, 1748479993, 3496959986, 5245439979, 6993919972, 10490879958, 20981759916]

約数ペア:

[(1, 20981759916), (2, 10490879958), (3, 6993919972), (4, 5245439979), (6, 3496959986), (12, 1748479993), (13, 1613981532), (26, 806990766), (39, 537993844), (52, 403495383), (78, 268996922), (127, 165210708), (156, 134498461), (254, 82605354), (381, 55070236), (508, 41302677), (757, 27716988), (762, 27535118), (1399, 14997684), (1514, 13858494), (1524, 13767559), (1651, 12708516), (2271, 9238996), (2798, 7498842), (3028, 6929247), (3302, 6354258), (4197, 4999228), (4542, 4619498), (4953, 4236172), (5596, 3749421), (6604, 3177129), (8394, 2499614), (9084, 2309749), (9841, 2132076), (9906, 2118086), (16788, 1249807), (18187, 1153668), (19682, 1066038), (19812, 1059043), (29523, 710692), (36374, 576834), (39364, 533019), (54561, 384556), (59046, 355346), (72748, 288417), (96139, 218244), (109122, 192278), (118092, 177673)]