20996824570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1\times {\mathrm{2647}}^1$

素因数の和:3259

約数の個数: 64

約数和(自身を含む): 40358062080

約数和(自身を除く): 19361237510

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 503, 830, 1006, 1577, 2515, 2647, 3154, 5030, 5294, 7885, 9557, 13235, 15770, 19114, 26470, 41749, 47785, 50293, 83498, 95570, 100586, 208745, 219701, 251465, 417490, 439402, 502930, 793231, 1098505, 1331441, 1586462, 2197010, 2662882, 3966155, 4174319, 6657205, 7932310, 8348638, 13314410, 20871595, 25297379, 41743190, 50594758, 110509603, 126486895, 221019206, 252973790, 552548015, 1105096030, 2099682457, 4199364914, 10498412285, 20996824570]

約数ペア:

[(1, 20996824570), (2, 10498412285), (5, 4199364914), (10, 2099682457), (19, 1105096030), (38, 552548015), (83, 252973790), (95, 221019206), (166, 126486895), (190, 110509603), (415, 50594758), (503, 41743190), (830, 25297379), (1006, 20871595), (1577, 13314410), (2515, 8348638), (2647, 7932310), (3154, 6657205), (5030, 4174319), (5294, 3966155), (7885, 2662882), (9557, 2197010), (13235, 1586462), (15770, 1331441), (19114, 1098505), (26470, 793231), (41749, 502930), (47785, 439402), (50293, 417490), (83498, 251465), (95570, 219701), (100586, 208745)]