20173420468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{15511}}^1$

素因数の和:15800

約数の個数: 48

約数和(自身を含む): 37743798400

約数和(自身を除く): 17570377932

約数列:

[1, 2, 4, 19, 38, 76, 109, 157, 218, 314, 436, 628, 2071, 2983, 4142, 5966, 8284, 11932, 15511, 17113, 31022, 34226, 62044, 68452, 294709, 325147, 589418, 650294, 1178836, 1300588, 1690699, 2435227, 3381398, 4870454, 6762796, 9740908, 32123281, 46269313, 64246562, 92538626, 128493124, 185077252, 265439743, 530879486, 1061758972, 5043355117, 10086710234, 20173420468]

約数ペア:

[(1, 20173420468), (2, 10086710234), (4, 5043355117), (19, 1061758972), (38, 530879486), (76, 265439743), (109, 185077252), (157, 128493124), (218, 92538626), (314, 64246562), (436, 46269313), (628, 32123281), (2071, 9740908), (2983, 6762796), (4142, 4870454), (5966, 3381398), (8284, 2435227), (11932, 1690699), (15511, 1300588), (17113, 1178836), (31022, 650294), (34226, 589418), (62044, 325147), (68452, 294709)]